[POWERPC] mpc512x: Add MPC512x PSC support to MPC52xx psc driver

Add 512x support using the psc_ops framework established
with the previous patch.

All 512x PSCs share the same interrupt so add
IRQF_SHARED to irq flags.

Signed-off-by: John Rigby <jrigby@freescale.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

1 files changed, 48 insertions, 0 deletions

diff --git a/include/asm-powerpc/mpc52xx_psc.h b/include/asm-powerpc/mpc52xx_psc.h
index bea42b95390..710c5d36efa 100644
--- a/include/asm-powerpc/mpc52xx_psc.h
+++ b/include/asm-powerpc/mpc52xx_psc.h
@@ -190,5 +190,53 @@ struct mpc52xx_psc_fifo {
         u16             tflwfptr;       /* PSC + 0x9e */
 };
 
+#define MPC512x_PSC_FIFO_RESET_SLICE    0x80
+#define MPC512x_PSC_FIFO_ENABLE_SLICE   0x01
+#define MPC512x_PSC_FIFO_ENABLE_DMA     0x04
+
+#define MPC512x_PSC_FIFO_EMPTY          0x1
+#define MPC512x_PSC_FIFO_FULL           0x2
+#define MPC512x_PSC_FIFO_ALARM          0x4
+#define MPC512x_PSC_FIFO_URERR          0x8
+#define MPC512x_PSC_FIFO_ORERR          0x01
+#define MPC512x_PSC_FIFO_MEMERROR       0x02
+
+struct mpc512x_psc_fifo {
+        u32             reserved1[10];
+        u32             txcmd;          /* PSC + 0x80 */
+        u32             txalarm;        /* PSC + 0x84 */
+        u32             txsr;           /* PSC + 0x88 */
+        u32             txisr;          /* PSC + 0x8c */
+        u32             tximr;          /* PSC + 0x90 */
+        u32             txcnt;          /* PSC + 0x94 */
+        u32             txptr;          /* PSC + 0x98 */
+        u32             txsz;           /* PSC + 0x9c */
+        u32             reserved2[7];
+        union {
+                u8      txdata_8;
+                u16     txdata_16;
+                u32     txdata_32;
+        } txdata;                       /* PSC + 0xbc */
+#define txdata_8 txdata.txdata_8
+#define txdata_16 txdata.txdata_16
+#define txdata_32 txdata.txdata_32
+        u32             rxcmd;          /* PSC + 0xc0 */
+        u32             rxalarm;        /* PSC + 0xc4 */
+        u32             rxsr;           /* PSC + 0xc8 */
+        u32             rxisr;          /* PSC + 0xcc */
+        u32             rximr;          /* PSC + 0xd0 */
+        u32             rxcnt;          /* PSC + 0xd4 */
+        u32             rxptr;          /* PSC + 0xd8 */
+        u32             rxsz;           /* PSC + 0xdc */
+        u32             reserved3[7];
+        union {
+                u8      rxdata_8;
+                u16     rxdata_16;
+                u32     rxdata_32;
+        } rxdata;                       /* PSC + 0xfc */
+#define rxdata_8 rxdata.rxdata_8
+#define rxdata_16 rxdata.rxdata_16
+#define rxdata_32 rxdata.rxdata_32
+};
 
 #endif  /* __ASM_MPC52xx_PSC_H__ */